Simon 'corecode' Schubert wrote:
Matthew Dillon wrote:
Simon, did that hdac patch work?
sorry, didn't have time yet to try out. will do so in a couple of minutes.
Okay, I produced another patch which seems to be working. It's kind of
hackish, but you get my point.
cheers
simon
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Index: kern/kern_intr.c
===================================================================
RCS file: /home/dcvs/src/sys/kern/kern_intr.c,v
retrieving revision 1.49
diff -u -p -r1.49 kern_intr.c
--- kern/kern_intr.c 1 May 2007 23:53:51 -0000 1.49
+++ kern/kern_intr.c 20 Jul 2007 08:58:22 -0000
@@ -351,6 +351,9 @@ break;
}
if (rec0 == NULL)
info->i_mplock_required = 0;
+
+ while (info->i_running & 2)
+ tsleep(info, 0, "wtintr", 1);
}
crit_exit();
@@ -497,8 +500,8 @@ report_stray_interrupt(intr, info);
} else {
#ifdef SMP
if (info->i_thread.td_gd == mycpu) {
- if (info->i_running == 0) {
- info->i_running = 1;
+ if (info->i_running & 1 == 0) {
+ info->i_running |= 1;
if (info->i_state != ISTATE_LIVELOCKED)
lwkt_schedule(&info->i_thread); /* MIGHT PREEMPT */
}
@@ -507,8 +510,8 @@ lwkt_send_ipiq(info->i_thread.td_gd,
sched_ithd_remote, (void *)intr);
}
#else
- if (info->i_running == 0) {
- info->i_running = 1;
+ if ((info->i_running & 1) == 0) {
+ info->i_running |= 1;
if (info->i_state != ISTATE_LIVELOCKED)
lwkt_schedule(&info->i_thread); /* MIGHT PREEMPT */
}
@@ -782,7 +785,7 @@ * FAST and SLOW designated service rou
*/
if (info->i_running) {
++ill_count;
- info->i_running = 0;
+ info->i_running = 2;
if (*list == NULL)
report_stray_interrupt(intr, info);
@@ -796,6 +799,7 @@ } else {
rec->handler(rec->argument, NULL);
}
}
+ info->i_running &= 1;
}
/*
